1888.] 



NATURAL SCIENCES OP PHILADELPHIA. 



497 



Mygale 209 ! 



Myrica iViO 



Myrmecobius 90, 97 



Myimecophaga 97 ; 



Mytilis 122, 331, 333 l 



jijassa 170 I 



NalicaV.'.*.".".".*.'.*.".'.'.".".*.!V76*'321, 331 , 332 i 



Nautilograpsus 320 



Nautilus 242, 245 j 



Nemesia 216 ; 



Neoplagiaulax 292 



Nepeta 13 



Neptunus 319 



Newcombia 16, 25, 41 : 



Nipterociinus 354 ' 



Nucula 122, 233 j 



Nuculana 233 



Nycticebus 96 



Nyctipiihecus 102 



Obelia 331 '< 



Ocinebra 1S8 



Octopus 324, 325 



Ocuhna 303-305 i 



Ocypoda.... 330, 333 



Odoiitaspis 162-165 



Onchidium 327, 328 



Onychocrinus 344, 347, 353, 357 



Ophiactis 316 



Ophidiaster 315 



Ophiocoma 316 



Ophiomyxa 317 



Ophioneries 316 



Ophiostignia 316 



Orbicula 226 



Oibulina 73 



Orchestia 333 



Orcynus 180 



Orinthorynchus 190 



Orophociinus 341, 349, 380, 385 



Orthagoriscus 165 



Orthis 134, 230, 232 



Orthisina 230 



Otthoceias 242, 245 



Oitlionema 240 



Osmunda 396 



Obtrea 121, 122, 123 333 



Oxalis 396 



Pachygrapsus 320 



Pachystyla 290 



Palemon 318, 322 



Palemonella 318, 322 



Palaemonetes 80, 330, 333 



Palinui us 321 



Palythoa 3(l9 



Panopaeus 319-333 



Partula 18, 250, 251 



Partulina 16, 24, 25 



Patula 285, 290 



Pecora 92, 98 



Pecten 170, 232, 333 



Phacochoeius 101 



Phascolarctos 103 



Phascolestes 300, 301 



Phascolotherium 292, 300, 301 



Pelicanus 167, 168 



Penseus 318, 323 



Pentaciinus 359 



Peramus 295, 296, 298, 301 



Peraspalax 299, 301 



Perdicella 25, 40 



Pe ropli ora 331 



Pernsopus 165 



Petricola 332 



Petrodus 243 



Petiolisthes 320 



Pezomachus 211 



Phillipsia 243 



Phoca 90, 96 



Pholas 331, 332 



Phyllyra 79 



Pinna 122, 123 



Pi nnothei es 333 



Pirenopsis 252 



Pisocrinus 350 



Piatyciinus....342, 345, 348, 349, 372 



Piatyonichus 125, 330, 333 



Plectana 79 



PI eu loce ra 286 



Pleurotoma 1 60 



Pleuvotomana 237, 238, 239 



Piexaura 308 



Plicatocrinus 353, 355 



Plumulites 131, 136 



Pogonia 396 



PcEcilozonites 285, 286, 288-291 



I Polemonium 396 



I Polymorpiiina 170 



I Polystomuni 127 



Pontes 303, 304, 306 



Piocyon 97 



i Productus 227-229-244 



I Pronuba 274 



; Propithecus 89, 93, 94 



! Protozoa 73 



Pteraster 421, 422 



Plerogorgia 308, 309 



Pterotocnnus 373 



, Pupa 245 



Pycnosaccus 357 



Pyiola 396 



Pyius 396 



Rana 106 



Ranella 324 



Retzia 231, 232 



Rliipidogorgia 3(18, 309 



Rliincceros 88, 104 



83 



